package com.atguigu.eduservice.controller;


import com.atguigu.eduservice.entity.EduCourse;
import com.atguigu.eduservice.entity.EduTeacher;
import com.atguigu.eduservice.entity.vo.CourseInfoVo;
import com.atguigu.eduservice.entity.vo.CoursePublishVo;
import com.atguigu.eduservice.entity.vo.CourseQuery;
import com.atguigu.eduservice.service.EduCourseService;
import com.atguigu.oss.commonutils.R;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 课程 前端控制器
 * </p>
 *
 * @author luomingliang
 * @since 2020-06-11
 */
@CrossOrigin
@RestController
@RequestMapping("/eduservice/course")
public class EduCourseController {

    @Autowired
    private EduCourseService courseService;

    //添加课程基本信息
    @PostMapping("addCourseInfo")
    public R addCourseInfo(@RequestBody CourseInfoVo courseInfoVo) {
        //返回添加之后课程id, 为了后面添加大纲使用
        String id = courseService.saveCourseInfo(courseInfoVo);
        return R.ok().data("courseId", id);
    }

    //根据课程id查询课程基本信息
    @GetMapping("getCourseInfo/{courseId}")
    public R getCourseInfo(@PathVariable String courseId) {
        CourseInfoVo courseInfoVo = courseService.getCourseInfo(courseId);
        return R.ok().data("courseInfoVo", courseInfoVo);
    }

    //修改课程信息
    @PostMapping("updateCourseInfo")
    public R updateCourseInfo(@RequestBody CourseInfoVo courseInfoVo) {
        courseService.updateCourseInfo(courseInfoVo);
        return R.ok();
    }

    //根据课程id查询课程确认信息
    @GetMapping("getPublishCourseInfo/{id}")
    public R getPublishCourseInfo(@PathVariable String id) {
        CoursePublishVo coursePublishVo = courseService.publishCourseInfo(id);
        return R.ok().data("publishCourse", coursePublishVo);
    }

    //课程最终发布 修改课程状态
    @PostMapping("publishCourse/{id}")
    public R publishCourse(@PathVariable String id) {
        EduCourse course = new EduCourse();
        course.setId(id);
        course.setStatus("Normal");
        courseService.updateById(course);
        return R.ok();
    }

    //课程列表
    // TODO 完成条件查询带分页
    @GetMapping
    public R getCourseList() {
        List<EduCourse> list = courseService.list(null);
        System.out.println(list);
        return R.ok().data("list", list);
    }

    //分页查询课程的方法
    @PostMapping("pageCourse/{current}/{limit}")
    public R pageListCourse(@PathVariable("current") long current,
                             @PathVariable("limit") long limit,
                             @RequestBody(required = false) CourseQuery courseQuery){
        //创建Page对象
        Page<EduCourse> page = new Page<>(current,limit);
        QueryWrapper<EduCourse> wrapper = new QueryWrapper<>();
        if (courseQuery != null) {
            String title = courseQuery.getTitle();
            String status = courseQuery.getStatus();

            if(!StringUtils.isEmpty(title)) {
                wrapper.like("title", title);
            }
            if (!StringUtils.isEmpty(status)) {
                status = "1".equals(status) ? "Normal" : "Draft";
                wrapper.eq("status", status);
            }
        }
        wrapper.orderByDesc("gmt_create");
        courseService.page(page, wrapper);
        long total = page.getTotal();
        List<EduCourse> records = page.getRecords();

        return R.ok().data("total",total).data("rows",records);
    }


    //删除课程
    @DeleteMapping("{courseId}")
    public R deleteCourse(@PathVariable String courseId) {
        courseService.removeCourse(courseId);
        return R.ok();
    }

}

